/*
 * Copyright (c) 2011 Imre Fazekas.
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the Brillien nor the names of its
 * terms and concepts may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

package com.vii.brillien.ignition.jmx.mbeans;

import javax.management.Attribute;
import javax.management.MBeanServerConnection;
import javax.management.ObjectName;

/**
 * Abstract class for every MXBean proxy type
 */
public class AbstractBeanWrapper {

    /**
     * MBeanServerConnection instance 
     */
    protected MBeanServerConnection     mbsc;
    /**
     * Name of the MXBean
     */
    protected ObjectName                name;

    public AbstractBeanWrapper(MBeanServerConnection mbsc, ObjectName name) {
        this.mbsc = mbsc;
        this.name = name;
    }

    /**
     * Invokes a service on the MXBean instance
     */
    protected <T> T invoke( String operationName, T defaultValue ){
        return invoke( operationName, null, defaultValue );
    } 

    /**
     * Invokes a service on the MXBean instance
     */
    protected <T> T invoke( String operationName, Object[] params, T defaultValue ){
        return invoke( operationName, params, null, defaultValue );
    }

    /**
     * Invokes a service on the MXBean instance
     */
    protected <T> T invoke( String operationName, Object[] params, String[] signature, T defaultValue ){
        try {
            return (T)mbsc.invoke( name, operationName, params, signature );
        } catch (Exception e) {
            e.printStackTrace();
        }
        return defaultValue;
    }

    /**
     * Gets the value of a property published by the MXBean instance
     */
    protected <T> T get( String parameterName, T defaultValue ){
        try {
            return (T)mbsc.getAttribute( name, parameterName );
        } catch (Exception e) {
            e.printStackTrace();
        }
        return defaultValue;
    }

    /**
     * Sets the value of a property published by the MXBean instance
     */
    protected void set( Attribute a ){
        try {
            mbsc.setAttribute( name, a );
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    

}
